我们每天吃进各种各样的食物,看似杂乱无章,其实存在一定的规律。从营养学的角度来分析,我们摄取食物的目的是满足维持生命活动和代谢所需要的各种营养素如蛋白质、脂肪、糖类、维生素、矿物质元素等。其中糖类(又称碳水化合物)、脂肪、蛋白质能提供所需要的能量,故又将这三大营养素称为生热营养素。生热营养素提供人体所需的热量相互之间存在一 We eat every day a variety of food, seemingly chaotic, in fact, there are certain laws. From the nutritional point of view, our purpose of food intake is to satisfy various nutrients such as proteins, fats, sugars, vitamins, minerals, etc. that are required for the maintenance of life activities and metabolism. Which sugar (also known as carbohydrates), fat, protein can provide the required energy, so again these three nutrients called heat nutrients. Thermo-nutrients provide the body with the necessary calories to exist between one